Findings

What do systematic reviews say?

1,741 questions · 1,821 findings · 207 reviews

Sort:Best matchNewest Highest certainty Download CSV

No studies found 297 · 16.3%GRADE not reported 191 · 10.5%Very low 333 · 18.3%Low 466 · 25.6%Moderate 414 · 22.7%High 120 · 6.6%

Ventilation feedback training vs exercise

Exercise endurance Duration of constant work rate exercise test (minutes) · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 32 participants
Low

Ventilation feedback training plus exercise vs exercise

Exercise endurance Duration of constant work rate exercise test on treadmill · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 33 participants
Low

Ventilation feedback training plus exercise vs exercise

Change in 6‐minute walking distance · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 40 participants
Low

Ventilation feedback training plus exercise vs exercise

Dyspnoea during treadmill walking Borg scale at isotime during constant work rate treadmill test Scale ranges from 0 to 10, with lower scores indicating less shortness of breath · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 33 participants
Low

Ventilation feedback training plus exercise vs exercise

Change in dyspnoea score · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 40 participants
Low

Ventilation feedback training plus exercise vs exercise

Health‐related quality of life (Change in CRQ Dyspnoea) CRQ · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 73 participants
Moderate

Pursed lip breathing vs no breathing exercises

Dyspnea · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 19 participants
Low

Pursed lip breathing vs no breathing exercises

Six‐minute walk distance · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 30 participants
Low

Pursed lip breathing vs no breathing exercises

Health‐related quality of life Dyspnoea domain of Hiratsuka scale Scores range from 0 to 100, with lower scores indicating less shortness of breath · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 60 participants
Low

Diaphragmatic breathing vs no breathing exercises

Change in dyspnoea score · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 30 participants
Moderate

Diaphragmatic breathing vs no breathing exercises

Change in 6‐minute walking distance · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 30 participants
Moderate

Diaphragmatic breathing vs no breathing exercises

Health‐related quality of life Change in total score of St George Respiratory Questionnaire · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 30 participants
Moderate

Yoga vs no breathing exercises

Dyspnoea during exercise Modified Borg dyspnoea score at end of 6‐minute walk test Scores range from 0 to 10, with lower scores indicating less shortness of breath · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 29 participants
Low

Yoga vs no breathing exercises

Dyspnea · patients with chronic obstructive pulmonary disease

1 finding from 1 review

Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
1 study · 29 participants
Low

Intervention not reported

Need for increased ventilatory assistance (invasive or non‐invasive) · individuals with an exacerbation of COPD

The intervention may leads to lower need for increased ventilatory assistance (invasive or non‐invasive) (low certainty).

1 finding from 1 review

Airway clearance techniques for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
OR 0.21 [0.05, 0.85]
4 studies · 171 participants
Low

Intervention not reported

Duration of ventilatory assistance days · individuals with an exacerbation of COPD

1 finding from 1 review

Airway clearance techniques for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 54 participants
Low

Intervention not reported

Length of hospital stay days · individuals with an exacerbation of COPD

1 finding from 1 review

Airway clearance techniques for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 171 participants
Low

Powered toothbrush, side-to-side action vs Counter oscillation powered toothbrush

Adverse events · Individuals of any age with no reported disability that might affect toothbrushing (including people wearing orthodontic appliances)

1 finding from 1 review

Different powered toothbrushes for plaque control and gingival health 2010 · Cochrane All outcomes
One trial (Khocht 1992) reported 'transient abrasions' in both powered toothbrush groups.
1 study
GRADE not reported

Powered toothbrush, ultrasonic action vs Multidimensional powered toothbrush

Plaque (level reduction) · Individuals of any age with no reported disability that might affect toothbrushing (including people wearing orthodontic appliances)

1 finding from 1 review

Different powered toothbrushes for plaque control and gingival health 2010 · Cochrane All outcomes
Short term (1-3 months)
One cross-over trial (Costa 2007) made this comparison; data were not available in a useable form.
1 study
GRADE not reported

Powered toothbrush, counter oscillation action vs Rotation oscillation powered toothbrush

Gingivitis (level reduction) · Individuals of any age with no reported disability that might affect toothbrushing (including people wearing orthodontic appliances)

1 finding from 1 review

Different powered toothbrushes for plaque control and gingival health 2010 · Cochrane All outcomes
Short term (1-3 months) · Adolescents
Trimpeneers 1997 (36 adolescents); no significant differences between counter oscillation and rotation oscillation for gingival index / bleeding index at 1 and 2 months (P values 0.06 to 0.75); data unsuitable for…
1 study · 36 participants
GRADE not reported